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ACUFO:

ACUFO is my comprehensive catalog of cases of encounters between aircraft and UFOs, whether they are "explained" or "unexplained".

The ACUFO catalog is made of case files with a case number, summary, quantitative information (date, location, number of witnesses...), classifications, all sources mentioning the case with their references, a discussion of the case in order to evaluate its causes, and a history of the changes made to the file.

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South of the Nagoya Urban Area, Japan, on May 17, 1945:

Case number:

ACUFO-1945-05-17-NAGOYA-1

Summary:

In the report of the XXIst Bomber Command Tactical Mission No. 176, flown by the B-29's bombers of the 58th, 73rd, 313th and 134th Bombardment Wings on May 16-17, 1945, the target being the Mitsubishi Aircraft Works at the South of the Nagoya Urban Area, Japan, there was a section about encounters of "balls of fire" by the airmen, as opposed to enemy planes, flak and other mundane observations.

Among these observations of "Unusual Types" and "balls of fire", we find that...

... One aircraft was followed by an unidentified plane described as a ball of fire. The object was first sighted directly after bombs away at 1848Z. This red or "flame-colored" light stayed at the 5 o'clock position until the B-29 began to take evasive action. The object fell behind, and then caught up again. An attempt was made to pull away by increasing speed. The object remained ln the same relative position apparently with no effort. Power was then reduced, and the object also slowed down. As far as could be judged, the object remained approximately 300 yards behind the B-29. Its light appeared to be about the same size as a B-29 landing light.

Data:

Temporal data:

Date: May 17, 1945
Time: 04:48 a.m.
Duration:
First known report date: May 17, 1945
Reporting delay: Hours.

Geographical data:

Country: Japan
State/Department: Aichi
City: Nagoya

Witnesses data:

Number of alleged witnesses: 2 or more.
Number of known witnesses: ?
Number of named witnesses: 0

Ufology data:

Reporting channel: Military operations report.
Visibility conditions: Night.
UFO observed: Yes.
UFO arrival observed: Yes.
UFO departure observed: Yes.
UFO action: Approaches, follows, goes away.
Witnesses action: Escape maneuvers.
Photographs: No.
Sketch(s) by witness(es): No.
Sketch(es) approved by witness(es): No.
Witness(es) feelings: ?
Witnesses interpretation: ?

Classifications:

Sensors: [X] Visual: 2 or more.
[ ] Airborne radar:
[ ] Directional ground radar:
[ ] Height finder ground radar:
[ ] Photo:
[ ] Film/video:
[ ] EM Effects:
[ ] Failures:
[ ] Damages:
Hynek: NL
Armed / unarmed: Armed, 12 Browning M2 12.7 mm machine guns.
Reliability 1-3: 3
Strangeness 1-3: 2
ACUFO: Possible extraterrestrial craft.

Sources:

[Ref. aaf1:] US ARMY AIR FORCE:

This report was of the 21st Bomber Command Tactical Mission No. 176, flown 16-17 May 1945, the target being the Mitsubishi Aircraft Works at the South of the Nagoya Urban Area, Japan.

The units involved were the 58th, 73rd, 313th and 134th Bombardment Wings. The initial point (IP) was at Biwa Lake, landfall was at O Shine.

The report below appeared in the "Enemy Air Opposition" part of the report. This part included information about the enemy aircraft encountered during the mission and what these did.

But in this "Enemy Air Opposition" part, there was also a section titled "Observations of Unusual Types", followed by a section "Balls of fire", in which several observation of what was thought to be other things than planes, rockets, flares and flak, appeared. It included:

Scan.

S E C R E T

f. One aircraft was followed by an unidentified plane described as a ball of fire. The object was first sighted directly after bombs away at 1848Z. This red or "flame-colored" light stayed at the 5 o'clock position until the B-29 began to take evasive action. The object fell behind, and then caught up again. An attempt was made to pull away by increasing speed. The object remained ln the same relative position apparently with no effort. Power was then reduced, and the object also slowed down. As far as could be judged, the object remained approximately 300 yards behind the B-29. Its light appeared to be about the same size as a B-29 landing light.

[Ref. prt4:] JAN ALDRICH - "PROJECT 1947":

N - 1945.05.15 - Night, Nogoya, Japan.

B-29, 444th Bomb Group, "The first sighting of a ball of fire was made on this mission. (444th Bombardment Group history)

[Ref. fge1:] FRANK L. GRUBE:

Scan.

On May 16 and 17, 1945, between the hours of 0300 and 0600 522 B-29s attack the Nagoya urban area in the last great attack on this city; the south part of Nagoya, the site of the Mitsubishi Aircraft works, Aichi Aircraft Company's Atsuta Plant and the Atsuta Branch of the Nagoya Arsenal, the Nippon Vehicle Company and other targets were targeted from the aircraft flying at low level. A ball of fire was reported. 11 other B-29s hit targets of opportunity. Three B- 29s are lost. Headlines in the Stars and Stripes read, "3,500 tons of Fire Bombs Scar Nagoya in the Heaviest Raid of the War."

[Ref. dwn1:] DOMINIQUE WEINSTEIN:

May 15, 1945

Nogoya [sic], Japan

At night, the pilot of a USAAF B-29 (444th Bomb Group) saw one ball of fire, "The first sighting of a ball of fire" was made on this mission.

Sources: Project 1947, Jan Aldrich / 444th Bombardment Group History

Aircraft information:

The Boeing B-29 "Superfortress" was the heaviest bomber of the US Army Air Force, used in operations from May 8, 1944 and on. Its maximum speed was 574 km/h.

Its defensive armament was 12 Browning M2 12.7 mm machine guns.

B-29.

[Ref. dwn2:] DOMINIQUE WEINSTEIN:

Case 128

May 15, 1945

Nagoya, Japan

At night, the pilot of a USAAF B-29 (58th Bombardment Wing / 444th Bomb Group) saw one ball of fire, "the first sighting of a ball of fire" was made on this mission. According to the 58th Bombardment Wing's Tactical Mission Report: "Aircraft 4861 was followed by an unidentified plane described as a ball of fire. The object was first observed directly after bombs away at 18h48 Z. This red or "flame colored" light stayed at the five o'clock position until the B-29 began to take evasive action. The object fell behind, and then caught up again. An attempt was made to pull away and speed was increased. The object stayed in the same relative position apparently with no effort. Power was then reduced, and the object also slowed down. As far a could be judged, the object stayed approximately 300 yards behind the B-29; Its light appeared to be about the same size as a B-29 landing light."

Sources: Project 1947, Jan Aldrich / 444th Bombardment Group History / HQ 58th Bombardment Wing, Mission information, 16 May 1945 / HQ XXI Bomber Command, APO 234, 8 July 1945, Subject: Report of operations 16-17 May 1945 to the Commanding General 20th Air Force, Washington DC, NARA / Strange Company: Military encounters with UFOs in WWII, Keith Chester, 2007

[Ref. tai1:] "THINK ABOUT IT" WEBSITE:

Date: May 14, 1945

Location: Nagoya, Japan

Time:

Summary: Red or flame-colored light, constant position, same size as B-29 landing light

Source:

Discussion:

Map.

In the 2000s, ufological sources recorded numerous observations, neither more nor less strange, coming from reports of bombing missions on Japan by the XXIst Bomber Command; but this one does not seem to have been found.

It is obviously not entirely possible to completely exclude that it was an enemy plane. But the sighting was not considered as such in the report, being noted in a section regarding "balls of fire" instead of the section regarding enemy aircraft.

Sometimes, crews thought they encountered "Baka" rocket planes, and they sometimes did; in this case the description does not fit. The Baka rocket exhaust was always described with terms such as "3 feet wide and 15 feet long", and always at the rear of the Baka.

This observation shows several typical characteristics of what has been called the "Foo-Fighters": the following maneuvers of the plane despite the escape maneuvers of the plane, and the absence of attack by the ball of fire.

In the present case, we can of course exclude a rocket, an air-air bomb, a balloon, a meteor, a searchlight, a flare, etc. The only "ordinary" explanation which would be "the least worst" remains that of an enemy plane. But the behavior does not correspond to this, the ball of fire remaining within firing range of the B-29's machine guns, which would be madness on the part of a Japanese pilot. We also note that as the ball of fire does not fire any shots, the B-29 probably did not fire either, because if it had done this it would have been noted in the report, with the result.

Evaluation:

Possible extraterrestrial craft.

Sources references:

* = Source is available to me.
? = Source I am told about but could not get so far. Help needed.

File history:

Authoring:

Main author: Patrick Gross
Contributors: None
Reviewers: None
Editor: Patrick Gross

Changes history:

Version: Create/changed by: Date: Description:
0.1 Patrick Gross December 20, 2023 Creation, [aaf1].
1.0 Patrick Gross December 20, 2023 First published.
1.1 Patrick Gross April 26, 2024 Additions [prt4], [fge1], [dwn1], [dwn2], [tai1].

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